DS1821 The Analog Devices DS1821 is a digital temperature sensor with a wide operating range of -55°C to 125°C. It offers ±1°C accuracy and a 1-Wire® output interface.
Mfr Part #:

DS1821

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices DS1821 is a digital temperature sensor with a wide operating range of -55°C to 125°C. It offers ±1°C accuracy and a 1-Wire® output interface.
Total Stock: 8,030 pcs
$ Price Range: $1.50

DS1821 Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
4,030 pcs
4030 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
4,000 pcs
4000 pcs On Request 1 On Request On Request On Request On Request On Request

DS1821 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Features
Mounting Type
Operating Temperature
Output Type
Resolution
Sensing Temperature
Sensor Type
Supplier Device Package
Supplier Package
Tape & Reel
Test Condition
Voltage

DS1821 Description

Short technical summary and product information.

The Analog Devices DS1821 is a digital temperature sensor designed for accurate temperature monitoring across a broad range. It operates from -55°C to 125°C with a high accuracy of ±1°C, making it suitable for various applications.

 

This sensor features a 1-Wire® output, simplifying integration into digital systems. Key features include one-shot operation, output switch capability, programmable limit settings, and a standby mode for power efficiency. The DS1821 is housed in a TO-92-3 package and supports through-hole mounting.

 

With a sensing temperature range of -55°C to 125°C and an operating voltage of 2.7V to 5.5V, the DS1821 is a versatile component for temperature measurement in embedded systems, industrial controls, and consumer electronics.

DS1821 Quick Information

Product Type: Temperature Sensor
Canonical Name: DS1821 Digital Temperature Sensor
Subcategory: Temperature Sensors - Analog and Digital Output

DS1821 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS1821 Estimated Pricing

Qty Low High
1+ $1.50 $1.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

DS1821 Features

  • Digital temperature sensor with 1-Wire® output.
  • Wide operating range of -55°C to 125°C.
  • High accuracy of ±1°C.
  • Features programmable limits and standby mode.
  • TO-92-3 package for through-hole mounting.

DS1821 Applications

  • Suitable for general-purpose temperature monitoring.
  • Used in embedded system designs.
  • Applicable in industrial control systems.
  • Can be used in consumer electronics.

DS1821 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the DS1821?

The DS1821 operates from -55°C to 125°C.

What is the accuracy of the DS1821 temperature sensor?

The DS1821 has an accuracy of ±1°C.

What type of output does the DS1821 provide?

The DS1821 provides a 1-Wire® output.

What package is the DS1821 available in?

The DS1821 is available in a TO-92-3 package.

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